Mark Doubt's official records confirm they were born on Apr 20, 1957 and have achieved 68 years. Mr. Doubt, the individual's legal residence is recorded as 1803 Wright St, Pittsburgh, PA 15221. Mark A Doubt has resided in 8 distinct locations over time. The known living history for this individual consists of: 7305 Bennett St, Pittsburgh, 920 James St, Pittsburgh, and 1726 Wright St, Pittsburgh, PA 15221. [email protected] and [email protected] are the official email addresses for Mark, the individual. Public records indicate that Mark Doubt, the individual and Mike Doubt from Beaumont are linked. Public records indicate that Cachet Criswell (in 2002) and Doubt lived at 920 James St, Pittsburgh, PA 15221. Public records suggest to us that Harvey Welsh and Vera Welsh are also living at this location